21143+2355
- Unique Name: 21143+2355POU5281
- RA: 21 14 15.51
- Dec: +23 54 39.1
- Discoverer: POU
- Discoverer Number: 5281
- Components:
- First year: 1898
- Last year: 2001
- Observations: 3
- First position angle: 33
- Last position angle: 30
- First separation: 15.9
- Last separation: 17.5
- Mag first component: 11.9
- Mag second component: 13.8
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -12
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 7
- Durchmusterung:
- Notes: